Cold and hot circulation control device for bullet-shaped sleeve machining

The utility model relates to the technical field of casing pipe processing, and discloses a cold and hot circulation control device for bullet-shaped casing pipe processing, which comprises a placing box and a body, the surface of the body is provided with a groove, the inside of the groove is slida...

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Bibliographische Detailangaben
1. Verfasser: CHENG QIUSHENG
Format: Patent
Sprache:chi ; eng
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